git.maemo.org Git - theonering/blob - src/channel/call.py

   1 import logging
   2
   3 import dbus
   4 import gobject
   5 import telepathy
   6
   7 import tp
   8 import gtk_toolbox
   9
  10
  11 _moduleLogger = logging.getLogger("channel.call")
  12
  13
  14 class CallChannel(
  15                 tp.ChannelTypeStreamedMedia,
  16                 tp.ChannelInterfaceCallState,
  17                 tp.ChannelInterfaceGroup,
  18         ):
  19         # @bug On Maemo 5 this is having some kind of "General" error, possibly due to an issue with "GetAll" DBusProperties stuff
  20
  21         def __init__(self, connection, manager, props, contactHandle):
  22                 self.__manager = manager
  23                 self.__props = props
  24                 self.__cancelId = None
  25
  26                 if telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorHandle' in props:
  27                         self._initiator = connection.get_handle_by_id(
  28                                 telepathy.HANDLE_TYPE_CONTACT,
  29                                 props[telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorHandle'],
  30                         )
  31                 elif telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorID' in props:
  32                         self._initiator = connection.get_handle_by_name(
  33                                 telepathy.HANDLE_TYPE_CONTACT,
  34                                 props[telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorHandle'],
  35                         )
  36                 else:
  37                         _moduleLogger.warning('InitiatorID or InitiatorHandle not set on new channel')
  38                         self._initiator = None
  39
  40                 tp.ChannelTypeStreamedMedia.__init__(self, connection, manager, props)
  41                 tp.ChannelInterfaceCallState.__init__(self)
  42                 tp.ChannelInterfaceGroup.__init__(self)
  43                 self.__contactHandle = contactHandle
  44                 self._implement_property_get(
  45                         telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  46                         {
  47                                 "InitialAudio": self.initial_audio,
  48                                 "InitialVideo": self.initial_video,
  49                         },
  50                 )
  51                 self._implement_property_get(
  52                         telepathy.interfaces.CHANNEL_INTERFACE,
  53                         {
  54                                 'InitiatorHandle': lambda: dbus.UInt32(self._initiator.id),
  55                                 'InitiatorID': lambda: self._initiator.name,
  56                         },
  57                 )
  58
  59                 self.GroupFlagsChanged(0, 0)
  60                 self.MembersChanged(
  61                         '', [self._conn.GetSelfHandle()], [], [], [contactHandle],
  62                         0, telepathy.CHANNEL_GROUP_CHANGE_REASON_NONE
  63                 )
  64
  65         def initial_audio(self):
  66                 return False
  67
  68         def initial_video(self):
  69                 return False
  70
  71         @gtk_toolbox.log_exception(_moduleLogger)
  72         def Close(self):
  73                 self.close()
  74
  75         def close(self):
  76                 _moduleLogger.debug("Closing call")
  77                 tp.ChannelTypeStreamedMedia.Close(self)
  78                 self.remove_from_connection()
  79                 if self.__cancelId is not None:
  80                         gobject.source_remove(self.__cancelId)
  81                         self.__cancelId = None
  82
  83         @gtk_toolbox.log_exception(_moduleLogger)
  84         def GetLocalPendingMembersWithInfo(self):
  85                 return []
  86
  87         @gtk_toolbox.log_exception(_moduleLogger)
  88         def ListStreams(self):
  89                 """
  90                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  91                 """
  92                 return ()
  93
  94         @gtk_toolbox.log_exception(_moduleLogger)
  95         def RemoveStreams(self, streams):
  96                 """
  97                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  98                 """
  99                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
 100
 101         @gtk_toolbox.log_exception(_moduleLogger)
 102         def RequestStreamDirection(self, stream, streamDirection):
 103                 """
 104                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 105
 106                 @note Since streams are short lived, not bothering to implement this
 107                 """
 108                 _moduleLogger.info("A request was made to change the stream direction")
 109                 raise telepathy.errors.NotImplemented("Cannot change directions")
 110
 111         @gtk_toolbox.log_exception(_moduleLogger)
 112         def RequestStreams(self, contactId, streamTypes):
 113                 """
 114                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 115
 116                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
 117                 """
 118                 contact = self._conn.get_handle_by_id(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
 119                 assert self.__contactHandle == contact, "%r != %r" % (self.__contactHandle, contact)
 120                 contactNumber = contact.phoneNumber
 121
 122                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
 123                 self.__cancelId = gobject.idle_add(self._on_cancel)
 124                 self._conn.session.backend.call(contactNumber)
 125
 126                 streamId = 0
 127                 streamState = telepathy.constants.MEDIA_STREAM_STATE_DISCONNECTED
 128                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
 129                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
 130                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
 131
 132         @gtk_toolbox.log_exception(_moduleLogger)
 133         def GetCallStates(self):
 134                 """
 135                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 136
 137                 Get the current call states for all contacts involved in this call.
 138                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 139                 """
 140                 return {self.__contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}
 141
 142         @gtk_toolbox.log_exception(_moduleLogger)
 143         def _on_cancel(self, *args):
 144                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
 145                 self.close()
 146                 self.__cancelId = None
 147                 return False